Home / 15,612.54-23,402.40-9,689.41

Finding the Fourth Proportional to 15,612.54, 23,402.40 and 9,689.41

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Solution

The fourth proportional to 15,612.54, 23,402.40 and 9,689.41 is: 14,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.54 : 23,402.40 = 9,689.41 : x
  2. Step 2: Convert to fraction form
    15,612.54/23,402.40 = 9,689.41/x
  3. Step 3: Cross multiply
    15,612.54x = 23,402.40 × 9,689.41
  4. Step 4: Simplify right side
    15,612.54x = 226,755,448.58
  5. Step 5: Solve for x
    x = 226,755,448.58/15,612.54
  6. Step 6: Final answer
    x = 14,523.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.